public void CustomControlInTemplate()
{
MyControl c = (MyControl)System.Windows.Markup.XamlReader.Load(@"
<clr:MyControl xmlns=""http://schemas.microsoft.com/winfx/2006/xaml/presentation""
xmlns:x=""http://schemas.microsoft.com/winfx/2006/xaml""
xmlns:clr=""clr-namespace:NameTortureTest;assembly=NameTortureTest"">
<clr:MyControl.Template>
<ControlTemplate>
<clr:CustomControl x:Name=""CustomControl"" />
</ControlTemplate>
</clr:MyControl.Template>
</clr:MyControl>
");
c.ApplyTemplate();
CustomControl custom = (CustomControl)c.GetTemplateChild("CustomControl");
custom.ApplyTemplate();
Assert.IsNotNull(custom, "Custom control should be findable");
Assert.IsNull(custom.FindName("LayoutRoot"), "Cannot FindName 'LayoutRoot' in CustomControl");
Assert.IsNull(c.GetTemplateChild("LayoutRoot"), "Cannot GetTemplateChild 'LayoutRoot' in MyControl");
Assert.IsNull(c.FindName("LayoutRoot"), "Cannot FindName 'LayoutRoot' in MyControl");
Assert.IsNull(custom.FindName("CustomBorder"), "Should not find 'CustomBorder' in the CustomControl");
var child = (FrameworkElement)VisualTreeHelper.GetChild(custom, 0);
Assert.IsNotNull(child.FindName("CustomBorder"), "Should find 'CustomBorder' in the child of CustomControl");
Grid nestedGrid = (Grid)child.FindName("NestedGrid");
Assert.IsNotNull(nestedGrid.FindName("CustomBorder"), "Should find 'CustomBorder' in the child of CustomControl");
nestedGrid.Name = "NestedRenamedGrid";
Assert.IsNull(child.FindName("NestedGrid"), "Should not find 'NestedGrid' in the child of CustomControl (2)");
Assert.IsNotNull(child.FindName("NestedRenamedGrid"), "Should find 'NestedRenamedGrid' in the child of CustomControl");
MediaElement ctrlInNestedGrid = new MediaElement();
ctrlInNestedGrid.Name = "mediaElement";
nestedGrid.Children.Add(ctrlInNestedGrid);
Assert.IsNotNull(child.FindName("mediaElement"), "Should find 'mediaElement' in the child of CustomControl");
Assert.IsNull(custom.FindName("mediaElement"), "Should not find 'mediaElement' in CustomControl");
Rectangle alice = new Rectangle {
Name = "Alice"
};
nestedGrid.Children.Add(alice);
Assert.IsNull(c.FindName("Alice"), "c.FindName ('Alice')");
Assert.IsNotNull(nestedGrid.FindName("Alice"), "nestedGrid.FindName ('Alice')");
Assert.IsNotNull(child.FindName("Alice"), "child.FindName ('Alice')");
alice.Name = "Edward";
Assert.IsNull(c.FindName("Alice"), "c.FindName ('Alice') 2");
Assert.IsNull(nestedGrid.FindName("Alice"), "nestedGrid.FindName ('Alice') 2");
Assert.IsNull(child.FindName("Alice"), "child.FindName ('Alice') 2");
Assert.IsNull(c.FindName("Edward"), "c.FindName ('Edward')");
Assert.IsNotNull(nestedGrid.FindName("Edward"), "nestedGrid.FindName ('Edward')");
Assert.IsNotNull(child.FindName("Edward"), "child.FindName ('Edward')");
}
public void TemplateItemsCanFindEachOther()
{
MyControl c = (MyControl)System.Windows.Markup.XamlReader.Load(@"
<clr:MyControl xmlns=""http://schemas.microsoft.com/winfx/2006/xaml/presentation""
xmlns:x=""http://schemas.microsoft.com/winfx/2006/xaml""
xmlns:clr=""clr-namespace:NameTortureTest;assembly=NameTortureTest"">
<clr:MyControl.Resources>
<Rectangle x:Name=""Resource"" />
</clr:MyControl.Resources>
<clr:MyControl.Template>
<ControlTemplate>
<Canvas x:Name=""Parent"">
<Canvas.Resources>
<Rectangle x:Name=""Resource1"" />
</Canvas.Resources>
<Canvas x:Name=""Canvas"">
<Canvas.Resources>
<Rectangle x:Name=""Resource2"" />
</Canvas.Resources>
<ContentPresenter Name=""Presenter"" />
</Canvas>
</Canvas>
</ControlTemplate>
</clr:MyControl.Template>
</clr:MyControl>
");
c.Content = new object();
c.ApplyTemplate();
var parent = (FrameworkElement)c.GetTemplateChild("Parent");
var canvas = (FrameworkElement)c.GetTemplateChild("Canvas");
var presenter = (FrameworkElement)c.GetTemplateChild("Presenter");
Assert.IsNotNull(canvas, "#1");
Assert.IsNotNull(presenter, "#2");
Assert.IsNotNull(canvas.FindName("Parent"), "#3");
Assert.IsNotNull(canvas.FindName("Presenter"), "#4");
Assert.IsNotNull(presenter.FindName("Parent"), "#5");
Assert.IsNotNull(presenter.FindName("Canvas"), "#6");
var resource = c.Resources ["Resource"] as FrameworkElement;
var resource1 = parent.Resources ["Resource1"] as FrameworkElement;
var resource2 = canvas.Resources ["Resource2"] as FrameworkElement;
Assert.IsNotNull(resource.FindName("Resource"), "#7");
Assert.IsNull(resource.FindName("Resource1"), "#8");
Assert.IsNull(resource.FindName("Resource2"), "#9");
Assert.IsNull(resource1.FindName("Resource"), "#10");
Assert.IsNotNull(resource1.FindName("Resource1"), "#11");
Assert.IsNotNull(resource1.FindName("Resource2"), "#12");
Assert.IsNull(resource2.FindName("Resource"), "#13");
Assert.IsNotNull(resource2.FindName("Resource1"), "#14");
Assert.IsNotNull(resource2.FindName("Resource2"), "#15");
}
public void StoryboardTemplateItem()
{
MyControl c = (MyControl)System.Windows.Markup.XamlReader.Load(@"
<clr:MyControl xmlns=""http://schemas.microsoft.com/winfx/2006/xaml/presentation""
xmlns:x=""http://schemas.microsoft.com/winfx/2006/xaml""
xmlns:clr=""clr-namespace:NameTortureTest;assembly=NameTortureTest"">
<clr:MyControl.Template>
<ControlTemplate>
<Canvas x:Name=""Canvas"">
</Canvas>
</ControlTemplate>
</clr:MyControl.Template>
</clr:MyControl>
");
c.Content = new object();
c.ApplyTemplate();
Canvas canvas = (Canvas)c.GetTemplateChild("Canvas");
Storyboard sb = new Storyboard();
DoubleAnimation anim = new DoubleAnimation();
Storyboard.SetTargetName(anim, "Canvas");
Storyboard.SetTargetProperty(anim, new PropertyPath("Width"));
sb.Children.Add(anim);
Assert.Throws <InvalidOperationException> (() => sb.Begin(), "Not in tree, cannot find 'Canvas'");
canvas.Resources.Add("Key", sb);
Assert.Throws <InvalidOperationException> (() => sb.Begin(), "In template resources, cannot find 'Canvas'");
canvas.Resources.Clear();
c.Resources.Add("Key", sb);
Assert.Throws <InvalidOperationException> (() => sb.Begin(), "In control resources, cannot find 'Canvas'");
}
